Keyword: Titanium alloys

Briefs: Robotics, Automation & Control
These shape memory robotic arms eliminate the need for joints, rigid skeletons, or framework.
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Briefs: Mechanical & Fluid Systems
The structures’ small size and porosity make them well-suited for building components such as replacement joints.
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Articles: Aerospace
Semi-Liquid Metal Anode for Next-Generation Batteries

Researchers from Carnegie Mellon University have developed a semi-liquid lithium metal-based anode. Lithium batteries made using this new electrode type...

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Briefs: Electronics & Computers

Innovators at NASA's Glenn Research Center have developed a new method for making small-diameter, high-grade ball bearings that are less than 0.25” in diameter thanks to the development of a new alloy...

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Briefs: Electronics & Computers
Hardface Coating Systems for Wear and Corrosion Resistance

Metal alloys, such as titanium alloys and steels, are known to have a good combination of mechanical properties for many structural applications, but these metal alloys do not meet the wear and corrosion resistance requirements for some structural applications. Titanium alloys, for...

Briefs: Manufacturing & Prototyping

A new way to treat wood makes it 12 times stronger than natural wood and ten times tougher. The wood substance could be comparable to steel or titanium alloys; it is also comparable to...

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Briefs: Materials

NASA’s Langley Research Center has developed an innovative coating to heal cracks in metal components, such as in aircraft and bridges. Currently, the coating is used for in-laboratory repairs of...

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Briefs: Manufacturing & Prototyping
Tool Designs for Friction Stir Welding

Friction stir welding (FSW) is a solidstate welding process that shows promise in the aerospace industry. A new system of experimentation has been used to quickly make and screen new tool designs. After conducting a literature review, friction stir tools were designed to optimize material flow around the...

Briefs: Manufacturing & Prototyping

NASA’s Marshall Space Flight Center (MSFC) developed Ultrasonic Stir Welding (USW) to join large pieces of very high-strength metals such as titanium and Inconel. USW, a solid-state weld process,...

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Who's Who: Materials

Susan Draper performs microstructural analysis of metals and determines where fractures have occurred and propagated. Draper is currently characterizing...

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Briefs: Materials
Thermally Activated Crack Healing Mechanism for Metallic Materials

A thermally activated healing mechanism is proposed and experimentally validated to mitigate crack propagation damage in metallic materials. The protected structure is coated with a thin metallic film of a low-melting-temperature healing agent. To heal or mitigate crack damage,...

Briefs: Manufacturing & Prototyping

In the past two decades, there have been significant advancements in the field of additive manufacturing (AM) of titanium alloy (Ti-6Al-4V) and other metallic...

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Briefs: Materials

Recently, additive manufacturing (AM) techniques have been developed that may shift the paradigm of traditional metal production by allowing complex netshaped...

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Briefs: Manufacturing & Prototyping
Method for Reduction of Silver Biocide Plating on Metal Surfaces

Silver ions in aqueous solutions (0.05 to 1 ppm) are used for microbial control in water systems. The silver ions remain in solution when stored in plastic containers, but the concentration rapidly decreases to non-biocidal levels when stored in metal containers. The silver...

Briefs: Manufacturing & Prototyping

The use of mirror assemblies is commonplace in the aerospace industry, as most satellites and spacecraft contain optics. The fabrication of these mirrors is extremely complex due to the...

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Articles: Photonics/Optics

Proponents of laser beam welding (LBW) and electron beam (EBW) welding each pronounce the singular praises of their favored technology, but often the best solution for a...

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Briefs: Manufacturing & Prototyping

During the first decade of direct metal laser-sintering (DMLS), the metals employed were generally ones developed specifically for DMLS, rather than those used in traditional metalforming methods. But...

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Briefs: Mechanical & Fluid Systems

During a vehicle's braking action, a wheel's kinetic energy is transformed into heat, which doesn't dissipate fast enough into the air stream from the brake...

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Briefs: Materials

A γ titanium aluminide alloy produced by a powder-metal (PM) process, and techniques for fabricating sheets and sheet-metal components from the alloy, have been developed. The alloy and...

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